(19)
(11) EP 2 694 452 A2

(12)

(88) Date of publication A3:
27.12.2012

(43) Date of publication:
12.02.2014 Bulletin 2014/07

(21) Application number: 12765129.7

(22) Date of filing: 30.03.2012
(51) International Patent Classification (IPC): 
C04B 35/101(2006.01)
G21F 1/06(2006.01)
 C21C 5/44(2006.01)
(86) International application number:
PCT/US2012/031689
(87) International publication number:
WO 2012/135762 (04.10.2012 Gazette 2012/40)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 30.03.2011 US 201161469502 P

(71) Applicant: Saint-Gobain Ceramics & Plastics, Inc.
Worcester, MA 01615-0138 (US)

(72) Inventors:
  • CITTI, Olivier
    Wellesley, MA 02482 (US)
  • KAZMIERCZAK, Andrea
    Marlborough, MA 01752 (US)

(74) Representative: Zimmermann & Partner 
Postfach 330 920
80069 München
80069 München (DE)

   


(54) REFRACTORY OBJECT, GLASS OVERFLOW FORMING BLOCK, AND PROCESS OF FORMING AND USING THE REFRACTORY OBJECT